E&L Instruments Fox 1 Z80 Trainer chip questions

[Joe R.]

Check with Mike Haas  <dogas at bellsouth.net>. I gave him one of the E&L
trainers but I'm not sure of the model.

   Joe


At 02:15 PM 10/10/05 -0400, you wrote:
>Hi Folks,
>
>I recently obtained a used E&L Instruments MT-80Z microprocessor trainer. 
>My goal is to teach my kids a little about microprocessors.
>
>The trainer has 3 empty IC sockets U1-40 pin, U10-40 pin and U-11-28 pin. 
>The parts are missing on the board that contains the keyboard and 7 segment 
>displays.  Neither of which work, so I suspect those empty sockets require a 
>chip or two for operations.
>
>The parts are probably Zilog or Intel PIO's and a CTC (Counter Clock Timer).
>
>Before I experiment I thought I'd run it up the flag pole and ask if anyone 
>can identify what goes in the sockets.
>
>Thanks Robo 
>
>
>